A 17-year-old boy has admitted setting fire to seven minibuses, damaging cars and assaulting an emergency worker.
The teenager, who cannot be identified for legal reasons, pleaded guilty to six offences at North Somerset Magistrates' Court on 29 April.
He admitted carrying out an arson attack at Silk Mills Park and Ride in Taunton on 26 April. Seven minibuses were destroyed in the fire, including four specially-adapted vehicles worth up to £250,000.
The teenager was remanded into youth detention until a sentencing hearing at the magistrates' court on 29 May.